/*
 * Copyright (C) 2007-2010 Geometer Plus <contact@geometerplus.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 */

package org.geometerplus.zlibrary.text.view.style;

import org.geometerplus.zlibrary.core.util.ZLBoolean3;
import org.geometerplus.zlibrary.text.view.ZLTextHyperlink;
import org.geometerplus.zlibrary.text.view.ZLTextStyle;

class ZLTextPartialDecoratedStyle extends ZLTextDecoratedStyle {
    private final ZLTextStyleDecoration myDecoration;

    ZLTextPartialDecoratedStyle(ZLTextStyle base, ZLTextStyleDecoration decoration, ZLTextHyperlink hyperlink) {
        super(base, hyperlink);
        myDecoration = decoration;
    }

    @Override
    protected String getFontFamilyInternal() {
        String decoratedValue = myDecoration.FontFamilyOption.getValue();
        return (decoratedValue.length() != 0) ? decoratedValue : Base.getFontFamily();
    }

    @Override
    protected int getFontSizeInternal() {
        return Base.getFontSize() + myDecoration.FontSizeDeltaOption.getValue();
    }

    @Override
    protected boolean isBoldInternal() {
        switch (myDecoration.BoldOption.getValue()) {
            case ZLBoolean3.B3_TRUE:
                return true;
            case ZLBoolean3.B3_FALSE:
                return false;
            default:
                return Base.isBold();
        }
    }

    @Override
    protected boolean isItalicInternal() {
        switch (myDecoration.ItalicOption.getValue()) {
            case ZLBoolean3.B3_TRUE:
                return true;
            case ZLBoolean3.B3_FALSE:
                return false;
            default:
                return Base.isItalic();
        }
    }

    @Override
    protected boolean isUnderlineInternal() {
        switch (myDecoration.UnderlineOption.getValue()) {
            case ZLBoolean3.B3_TRUE:
                return true;
            case ZLBoolean3.B3_FALSE:
                return false;
            default:
                return Base.isUnderline();
        }
    }

    @Override
    public int getLeftIndent() {
        return Base.getLeftIndent();
    }

    @Override
    public int getRightIndent() {
        return Base.getRightIndent();
    }

    @Override
    public int getFirstLineIndentDelta() {
        return Base.getFirstLineIndentDelta();
    }

    @Override
    public int getLineSpacePercent() {
        return Base.getLineSpacePercent();
    }

    @Override
    protected int getVerticalShiftInternal() {
        return Base.getVerticalShift() + myDecoration.VerticalShiftOption.getValue();
    }

    @Override
    public int getSpaceBefore() {
        return Base.getSpaceBefore();
    }

    @Override
    public int getSpaceAfter() {
        return Base.getSpaceAfter();
    }

    @Override
    public byte getAlignment() {
        return Base.getAlignment();
    }

    @Override
    public boolean allowHyphenations() {
        int a = myDecoration.AllowHyphenationsOption.getValue();
        return (a == ZLBoolean3.B3_UNDEFINED) ? Base.allowHyphenations() : (a == ZLBoolean3.B3_TRUE);
    }
}
